<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			/*function a(){
				function b(){
					b = 234;
				}
				var a = 123;
				b();
			}
			
			var glob = 100;
			a();*/
			// a.[[scope]]-->0 :GO{}
			// a.doing a.[[scope]]-->0 AO{}
			//						 1 GO{}
			//从作用连顶端向下查找
			
			/*function a(){
				function b(){
					function c(){}
					c();
				}
				b();
			}
			a();
			
			// a defined a.[[acope]]--> 0:GO
			// a doing a.[[scope]] --> 0:aAO
			//						   1:GO
			// b defined b.[[scope]] --> 0 BAO
			//							 1 aAO
			//							 2 GO
			//c defined c[[scope]] cAO bAO aAO GO*/
			
			
			
			
		</script>
	</body>
</html>
